207655160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 482872320

約数和(自身を除く): 275217160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 997, 1016, 1270, 1640, 1994, 2540, 3988, 4985, 5080, 5207, 7976, 9970, 10414, 19940, 20828, 26035, 39880, 40877, 41656, 52070, 81754, 104140, 126619, 163508, 204385, 208280, 253238, 327016, 408770, 506476, 633095, 817540, 1012952, 1266190, 1635080, 2532380, 5064760, 5191379, 10382758, 20765516, 25956895, 41531032, 51913790, 103827580, 207655160]

約数ペア:

[(1, 207655160), (2, 103827580), (4, 51913790), (5, 41531032), (8, 25956895), (10, 20765516), (20, 10382758), (40, 5191379), (41, 5064760), (82, 2532380), (127, 1635080), (164, 1266190), (205, 1012952), (254, 817540), (328, 633095), (410, 506476), (508, 408770), (635, 327016), (820, 253238), (997, 208280), (1016, 204385), (1270, 163508), (1640, 126619), (1994, 104140), (2540, 81754), (3988, 52070), (4985, 41656), (5080, 40877), (5207, 39880), (7976, 26035), (9970, 20828), (10414, 19940)]